Antigravity Batteries ATZ7-4 4-Cell Battery Ruckus Metropolitan C3
Antigravity Batteries ATZ7-4 4-Cell Battery Ruckus Metropolitan C3
  • SKU: AGB-YTZ7-4

Antigravity Batteries ATZ7-4 4-Cell Battery Ruckus Metropolitan C3

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Antigravity ATZ7-4 is a 4 cell Lithium battery that produces 120 cranking amp power! This battery is the same size as the OEM YTZ7 batteries! Total weight for this 4-cell battery is than 1 pound! Replace your existing battery and save weight! Directly replace/upgrade for Honda Ruckus, Yamaha C3, Honda Metropolitan, custom built cafe racer, classic bikes, race bikes, race cars, and other bikes that uses YTZ7 size batteries.

The Antigravity ATZ7-4 Lithium Motorsports Battery is a direct replacement in size for the Lead/Acid YTZ7S found in so many bikes including most every Enduro bike on the market. This 4-Cell version is best for use in every day use scooter and bikes up to 250cc. Or Race bikes up to 450cc. It is an extremly lightweight replacement for the standard YTZ7S saving about 3.5 pounds while offering similar starting performance. If your application is above 250cc we suggest the Antigravity Batteries YTZ7-8 which is the same size yet offers TWICE the power and capacity and will have a dramatic increase in motor turnover and starting while saving about 3 pounds.


  • -Direct drop in Nano-Phospahte Lithium replacement for OEM Lead/Acid YTZ7S
  • -Ultra Light wieght saves 3 pounds over Lead/Acid
  • -Can hold a charge up to a year provided there are no ”Parasitic Drains” (accessories that draw power when the bike is off…such as alarms, ECUs, ipods, GPS , heated grips etc…)
  • -3-Year Warranty—-check manufactures website for details (
Best uses
  • -Capable of every day use in bikes up to 250cc
  • -Race use for Enduro and MX electric start bikes up to 450cc.
  • -Race and Track Day use in inline 4 cylinder 600cc sport bikes- (If you have a higher-performance motor choose the Antigravity AG1201)
  • -Custom builds like cafe racers or small bore customs up to 500cc. (Please note if you own an older classic bikes from mid 1980s and earlier you should update the charging sytems to a modern voltage regulator if you have the older style system with a voltage regulator. Damaged voltage regulator can over charge and damage lithium batteries)
Technical Details
  • -120 Cranking Amps
  • -6Ah (PB Eq)

Dimensions and Weight

  • USA SIZE(LxWxH) 4-7/16″ x 2 3/4″ x 4-1/8″ (Height is measured to the top of the terminal bolt heads)
  • USA WEIGHT 13oz
  • METRIC SIZE 113mm Length x 70mm Depth x 105mm (Height is measured to the top of the terminal bolt heads)
⚠ WARNING: California Proposition 65 Warning